Home / 28,530,218,956.19-42,788,256,532.25-9,643,086,732.54

Finding the Fourth Proportional to 28,530,218,956.19, 42,788,256,532.25 and 9,643,086,732.54

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Solution

The fourth proportional to 28,530,218,956.19, 42,788,256,532.25 and 9,643,086,732.54 is: 14,462,239,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,218,956.19 : 42,788,256,532.25 = 9,643,086,732.54 : x
  2. Step 2: Convert to fraction form
    28,530,218,956.19/42,788,256,532.25 = 9,643,086,732.54/x
  3. Step 3: Cross multiply
    28,530,218,956.19x = 42,788,256,532.25 × 9,643,086,732.54
  4. Step 4: Simplify right side
    28,530,218,956.19x = 412,610,868,874,609,819,648
  5. Step 5: Solve for x
    x = 412,610,868,874,609,819,648/28,530,218,956.19
  6. Step 6: Final answer
    x = 14,462,239,827.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.